DR. FREDERICK S ALEXANDER MD
NPI 1730251042
Internal Medicine - Infectious Disease in Joliet, IL

Active since November 14, 2006PECOS EnrolledAccepts Medicare Assignment
1051 ESSINGTON RD, SUITE 210, JOLIET, IL 60435(815) 726-1818(815) 726-0232 Get Directions Write a Review

NPPES record last updated: February 12, 2012. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Frederick S Alexander Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. FREDERICK S ALEXANDER MD (NPI 1730251042) is an individual infectious disease provider in Joliet, Illinois, licensed in Illinois (036066912) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Presence Saint Joseph Medical Center, and is a graduate of Illinois Medical College (1995).

NPPES Registry Identity

NPI1730251042
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameDR. FREDERICK S ALEXANDERCredential: MD
Location Address1051 ESSINGTON RD, SUITE 210Joliet, IL 60435-2801
Mailing Address1051 Essington Rd, Suite 210Joliet, IL 60435-2801 · (815) 726-1818 · Fax (815) 726-0232
Fax(815) 726-0232
Sole ProprietorNo
Medical School CMSIllinois Medical CollegeGraduated 1995
Enumeration DateNovember 14, 2006
Last NPPES UpdateFebruary 12, 2012
NPI 1730251042 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License Licensed in IL · 036066912
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
1051 ESSINGTON RD, Joliet, IL 60435

Other Identifiers 5

Medicare PIN762561IL
Other110026404IL · Medicare Railroad
Medicare UPIND16281IL
Medicaid036066912IL
Other09900582IL · Blue Cross Blue Shield

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Frederick S Alexander Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6103880901
PECOS Enrollment IDI20050117000251
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
922 services460 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
181 services169 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
173 services110 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
149 services96 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
127 services97 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
114 services35 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Presence Saint Joseph Medical Center

Acute Care Hospitals · Joliet, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140007
Location333 N Madison StJoliet, IL 60435 · Will County
Emergency services Birthing friendly

Morris Hospital & Healthcare Centers

Acute Care Hospitals · Morris, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140101
Location150 W High StMorris, IL 60450 · Grundy County
Emergency services Birthing friendly

Silver Cross Hospital And Medical Centers

Acute Care Hospitals · New Lenox, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140213
Location1900 Silver Cross BlvdNew Lenox, IL 60451 · Will County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60435 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
1051 ESSINGTON RD, SUITE 140
JOLIET, IL 60435
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
1051 ESSINGTON RD, STE 160
JOLIET, IL 60435
Internal Medicine
1051 ESSINGTON RD, SUITE 100
JOLIET, IL 60435
Clinic/Center (Multi-Specialty)
1051 ESSINGTON RD, SUITE 140
JOLIET, IL 60435
Family Medicine
1051 ESSINGTON RD, SUITE 100
JOLIET, IL 60435
Internal Medicine
1051 ESSINGTON RD, SUITE 290
JOLIET, IL 60435
Internal Medicine (Infectious Disease)
1051 ESSINGTON RD, SUITE 210
JOLIET, IL 60435
Internal Medicine (Infectious Disease)
1051 ESSINGTON RD, SUITE 210
JOLIET, IL 60435

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Frederick Alexander's NPI number?

The NPI number for Frederick Alexander is 1730251042. It was assigned to this individual provider in the NPPES registry on November 14, 2006.

Where is Frederick Alexander located?

Frederick Alexander practices at 1051 Essington Rd Suite 210, Joliet, IL 60435. The listed phone number is (815) 726-1818.

What is Frederick Alexander's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Frederick Alexander enrolled in Medicare?

Yes. Frederick Alexander is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Frederick Alexander accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Frederick Alexander as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Frederick Alexander affiliated with any hospitals?

According to CMS data, Frederick Alexander is affiliated with Presence Saint Joseph Medical Center, Morris Hospital & Healthcare Centers and Silver Cross Hospital And Medical Centers.

When was this NPI record last updated?

The NPPES record for Frederick Alexander was last updated on February 12, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.